/* ============================================================
   168kj.org 全新骨架 · 元旦红金主题(原创设计,不套用站群任何现有模板)
   ============================================================ */
:root{
  --red-900:#5c0a14; --red-800:#7a0f1e; --red-700:#9c1226; --red-600:#b8162d; --red-500:#d42340;
  --gold-400:#f5c76b; --gold-300:#f9dc9e; --gold-200:#fdf0d0;
  --cream:#fdf8f0; --ink:#2b1416; --ink-2:#5b3a3d; --ink-3:#8a6a6d;
  --line:rgba(184,22,45,.14); --line-gold:rgba(245,199,107,.42);
  --bg:#fffaf4; --bg-2:#fdf1e6; --card:#ffffff;
  --shadow-sm:0 2px 10px rgba(92,10,20,.06);
  --shadow:0 10px 30px rgba(92,10,20,.10);
  --shadow-lg:0 22px 60px rgba(92,10,20,.16);
  --r-sm:10px; --r:16px; --r-lg:24px; --r-xl:32px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Songti SC","STSong","SimSun",Georgia,serif;
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.4vw,52px)}
h2{font-size:clamp(23px,3vw,34px)}
h3{font-size:clamp(17px,1.6vw,20px)}
p{margin:0 0 1em;color:var(--ink-2)}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:76px 0;position:relative}
.section.alt{background:var(--bg-2)}
.section.dark{background:linear-gradient(160deg,var(--red-900),var(--red-700));color:var(--cream)}
.section.dark h2,.section.dark h3,.section.dark p{color:var(--cream)}
.sec-head{max-width:760px;margin:0 auto 44px;text-align:center}
.sec-head .eyebrow{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--red-600);background:var(--gold-200);border:1px solid var(--line-gold);border-radius:999px;padding:5px 14px;margin-bottom:14px}
.section.dark .sec-head .eyebrow{background:rgba(245,199,107,.14);color:var(--gold-300);border-color:var(--line-gold)}
.sec-head p{font-size:16.5px;margin:0}
.grad{background:linear-gradient(96deg,var(--red-600),var(--gold-400));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:15.5px;border-radius:999px;
  padding:14px 30px;border:1.5px solid transparent;cursor:pointer;transition:.24s ease;white-space:nowrap}
.btn-main{background:linear-gradient(96deg,var(--red-600),var(--red-500));color:#fff;box-shadow:0 10px 26px rgba(184,22,45,.32)}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(184,22,45,.42)}
.btn-gold{background:linear-gradient(96deg,var(--gold-400),var(--gold-300));color:#5c0a14;box-shadow:0 10px 26px rgba(245,199,107,.4)}
.btn-gold:hover{transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-gold);color:var(--red-700);background:rgba(255,255,255,.7)}
.btn-ghost:hover{background:var(--gold-200)}
.section.dark .btn-ghost{color:var(--gold-300);border-color:var(--line-gold);background:rgba(255,255,255,.06)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn-row.center{justify-content:center}

/* ---------- 顶部导航 ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,250,244,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.02em}
.brand .seal{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:16px;font-weight:900;color:#fff;
  background:linear-gradient(140deg,var(--red-600),var(--red-800));box-shadow:0 6px 16px rgba(122,15,30,.3)}
.brand b{color:var(--red-700)}
.brand small{display:block;font-size:10px;font-weight:700;letter-spacing:.2em;color:var(--ink-3);text-transform:uppercase}
.nav-links{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-links a{font-size:14.5px;font-weight:700;color:var(--ink-2);padding:9px 13px;border-radius:999px;transition:.2s}
.nav-links a:hover{background:var(--gold-200);color:var(--red-700)}
.nav-links a.on{background:linear-gradient(96deg,var(--red-600),var(--red-500));color:#fff;box-shadow:0 6px 16px rgba(184,22,45,.26)}
.nav-cta{margin-left:12px}
.nav-tog{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;font-size:18px;color:var(--red-700)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 76px;overflow:hidden;
  background:radial-gradient(1100px 520px at 82% -10%,rgba(245,199,107,.34),transparent 62%),
             radial-gradient(880px 460px at 8% 8%,rgba(212,35,64,.12),transparent 58%),
             linear-gradient(180deg,var(--bg),var(--bg-2))}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(184,22,45,.05) 1px,transparent 1px);background-size:18px 18px;opacity:.5}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--red-700);
  background:#fff;border:1px solid var(--line-gold);border-radius:999px;padding:7px 16px;box-shadow:var(--shadow-sm);margin-bottom:20px}
.hero h1{margin-bottom:16px}
.hero h1 .line2{display:block;color:var(--red-700)}
.hero-lead{font-size:17.5px;max-width:600px;margin-bottom:28px}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--ink-3);display:flex;gap:16px;flex-wrap:wrap}
.hero-note span{display:inline-flex;align-items:center;gap:6px}
.hero-figure{position:relative}
.hero-frame{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-lg);border:6px solid #fff;background:#fff}
.hero-frame img{width:100%;aspect-ratio:5/4;object-fit:cover}
.hero-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 46%,rgba(92,10,20,.42))}
.hero-tag{position:absolute;left:18px;bottom:18px;z-index:2;color:#fff;font-weight:800;font-size:15px;text-shadow:0 2px 10px rgba(0,0,0,.4)}
.hero-chip{position:absolute;right:-14px;top:34px;background:#fff;border:1px solid var(--line-gold);border-radius:var(--r);
  padding:14px 18px;box-shadow:var(--shadow);text-align:center}
.hero-chip .n{font-size:26px;font-weight:900;color:var(--red-700);line-height:1}
.hero-chip .l{font-size:12px;font-weight:700;color:var(--ink-3);margin-top:4px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);transition:.24s}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-gold)}
.stat .n{font-family:var(--serif);font-size:34px;font-weight:900;color:var(--red-700);line-height:1.1}
.stat .n em{font-style:normal;font-size:17px;color:var(--gold-400);margin-left:2px}
.stat .l{font-size:13.5px;font-weight:700;color:var(--ink-3);margin-top:6px}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--shadow-sm);transition:.26s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--red-600),var(--gold-400));opacity:0;transition:.26s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:22px;margin-bottom:16px;
  background:linear-gradient(140deg,var(--gold-200),#fff);border:1px solid var(--line-gold);color:var(--red-700)}
.card h3{margin-bottom:8px}
.card p{font-size:14.8px;margin:0}
.card .kp{display:inline-block;margin-top:12px;font-size:12.5px;font-weight:800;color:var(--red-600);background:var(--gold-200);border-radius:999px;padding:4px 12px}

/* ---------- 便当卡 ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.bento .b{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--shadow-sm);transition:.26s}
.bento .b:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-gold)}
.bento .b.w2{grid-column:span 2}
.bento .b.tall{grid-row:span 2;display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(165deg,var(--red-800),var(--red-600));border-color:transparent}
.bento .b.tall h3,.bento .b.tall p{color:var(--cream)}
.bento .b.tall .ico{background:rgba(245,199,107,.2);border-color:var(--line-gold);color:var(--gold-300)}
.bento .b.gold{background:linear-gradient(160deg,var(--gold-200),#fff);border-color:var(--line-gold)}

/* ---------- 时间轴 / 步骤 ---------- */
.tl{position:relative;padding-left:38px}
.tl::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--red-600),var(--gold-400))}
.tl-i{position:relative;padding:0 0 30px 0}
.tl-i:last-child{padding-bottom:0}
.tl-i::before{content:"";position:absolute;left:-33px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--red-600);box-shadow:0 0 0 4px rgba(184,22,45,.1)}
.tl-i .d{font-size:12.5px;font-weight:800;letter-spacing:.1em;color:var(--gold-400);text-transform:uppercase}
.tl-i h3{margin:4px 0 6px}
.tl-i p{font-size:14.8px;margin:0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--shadow-sm);position:relative}
.step .idx{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-weight:900;font-size:17px;color:#fff;
  background:linear-gradient(140deg,var(--red-600),var(--red-800));margin-bottom:14px}
.step h3{font-size:17px}
.step p{font-size:14.6px;margin:0}

/* ---------- 分级卡 ---------- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.tier{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.tier.hot{border-color:var(--line-gold);box-shadow:var(--shadow-lg);transform:translateY(-6px);background:linear-gradient(180deg,#fff,var(--gold-200))}
.tier .badge{align-self:flex-start;font-size:12px;font-weight:800;color:#5c0a14;background:var(--gold-400);border-radius:999px;padding:4px 12px;margin-bottom:12px}
.tier h3{font-size:20px;margin-bottom:4px}
.tier .price{font-family:var(--serif);font-size:30px;font-weight:900;color:var(--red-700);margin:6px 0 16px}
.tier ul{display:grid;gap:10px;margin-bottom:22px}
.tier li{font-size:14.5px;color:var(--ink-2);padding-left:24px;position:relative}
.tier li::before{content:"✦";position:absolute;left:0;color:var(--gold-400);font-weight:900}
.tier .btn{width:100%;justify-content:center;margin-top:auto}

/* ---------- 评价 ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--shadow-sm);position:relative}
.quote .mark{font-family:var(--serif);font-size:46px;line-height:1;color:var(--gold-300);margin-bottom:6px}
.quote .txt{font-size:15px;color:var(--ink-2);min-height:76px}
.quote .stars{color:var(--gold-400);font-size:14px;letter-spacing:2px;margin:12px 0 14px}
.quote .who{display:flex;align-items:center;gap:11px}
.quote .av{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:900;color:#fff;font-size:15px;
  background:linear-gradient(140deg,var(--red-600),var(--red-800))}
.quote .nm{font-weight:800;font-size:14.5px}
.quote .rl{font-size:12.5px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm);overflow:hidden}
.faq details[open]{border-color:var(--line-gold)}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:800;font-size:15.5px;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;color:var(--red-600);font-weight:700;flex:none}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 22px 20px;font-size:14.8px;color:var(--ink-2)}

/* ---------- 跑马灯 ---------- */
.marquee{overflow:hidden;background:linear-gradient(96deg,var(--red-800),var(--red-600));padding:16px 0}
.marquee-in{display:flex;gap:46px;white-space:nowrap;animation:mq 34s linear infinite;color:var(--gold-200);font-weight:800;font-size:15px}
.marquee-in span{display:inline-flex;align-items:center;gap:10px}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 场景卡 ---------- */
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-sm);transition:.26s}
.scene:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.scene .band{height:112px;background:linear-gradient(140deg,var(--red-700),var(--gold-400));display:grid;place-items:center;font-size:34px}
.scene .in{padding:22px}
.scene h3{font-size:17px}
.scene p{font-size:14.6px;margin:0}

/* ---------- 公告条 ---------- */
.notice{display:flex;gap:16px;align-items:flex-start;background:linear-gradient(120deg,var(--gold-200),#fff);
  border:1px solid var(--line-gold);border-radius:var(--r);padding:20px 22px;box-shadow:var(--shadow-sm)}
.notice .ic{width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--red-600);font-size:18px}
.notice strong{display:block;font-size:15.5px;margin-bottom:4px;color:var(--red-800)}
.notice p{font-size:14.4px;margin:0}

/* ---------- 入口下载卡 ---------- */
.dl{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.dl-c{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 20px;box-shadow:var(--shadow-sm);text-align:center}
.dl-c .ico{width:52px;height:52px;margin:0 auto 14px;border-radius:14px;display:grid;place-items:center;font-size:22px;
  background:linear-gradient(140deg,var(--gold-200),#fff);border:1px solid var(--line-gold);color:var(--red-700)}
.dl-c h3{font-size:16.5px}
.dl-c p{font-size:14.2px;min-height:60px}
.dl-c .btn{width:100%;justify-content:center;padding:12px 18px;font-size:14.5px}

/* ---------- 标签云 ---------- */
.tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tag{font-size:14px;font-weight:700;color:var(--red-700);background:#fff;border:1px solid var(--line-gold);
  border-radius:999px;padding:8px 16px;transition:.2s}
.tag:hover{background:var(--gold-200);transform:translateY(-2px)}

/* ---------- 对比表 ---------- */
.cmp{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);font-size:14.8px}
.cmp th,.cmp td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.cmp thead th{background:linear-gradient(96deg,var(--red-800),var(--red-600));color:var(--cream);font-size:14.5px}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp td:first-child{font-weight:800;color:var(--red-700)}
.cmp tbody tr:nth-child(even) td{background:rgba(253,241,230,.5)}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(165deg,var(--red-900),var(--red-600));border-radius:var(--r-xl);padding:54px 40px;text-align:center;
  color:var(--cream);position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta::before{content:"";position:absolute;inset:-40% -10% auto;height:340px;
  background:radial-gradient(closest-side,rgba(245,199,107,.34),transparent);pointer-events:none}
.cta h2,.cta p{color:var(--cream);position:relative}
.cta p{max-width:620px;margin:0 auto 26px;opacity:.92}
.cta .btn-row{position:relative;justify-content:center}

/* ---------- 页脚 ---------- */
.footer{background:var(--red-900);color:rgba(253,248,240,.72);padding:56px 0 26px;font-size:14.5px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer h4{color:var(--gold-300);font-size:15px;margin-bottom:14px}
.footer a{color:rgba(253,248,240,.72)}
.footer a:hover{color:var(--gold-300)}
.f-links{display:grid;gap:9px}
.f-brand .brand{color:#fff}
.f-brand .brand b{color:var(--gold-300)}
.f-brand p{color:rgba(253,248,240,.66);font-size:14px;margin:12px 0 0}
.f-social{display:flex;gap:12px;margin-top:16px}
.f-social a{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(245,199,107,.25)}
.f-bot{margin-top:34px;padding-top:20px;border-top:1px solid rgba(245,199,107,.16);font-size:13px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.show{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.marquee-in{animation:none}}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .grid-4,.dl,.steps{grid-template-columns:repeat(2,1fr)}
  .bento{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr 1fr;gap:26px}
  .nav-links{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);
    padding:12px;flex-direction:column;gap:2px;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-cta{display:none}
  .nav-tog{display:grid;place-items:center}
}
@media(max-width:760px){
  .section{padding:56px 0}
  .grid-3,.grid-2,.quotes,.tiers,.scenes{grid-template-columns:1fr}
  .grid-4,.dl,.steps,.stats,.bento{grid-template-columns:1fr}
  .bento .b.w2{grid-column:auto}
  .cta{padding:40px 22px;border-radius:var(--r-lg)}
  .hero-chip{right:10px;top:12px}
  .f-grid{grid-template-columns:1fr}
  h1{font-size:30px}
}